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A solution has [Cl-] = 0.041 mol/L and [I-] = 0.073 mol/L. Finely divided, solid Pb(NO3)2 is slowly added to the solution with stirring. SALT=PbCl2 Ksp=1.6x10-5 SALT=Pbl2 Ksp=7.1x10-9 What are [Pb2+ ], [Cl- ] and [I- ] at the instant the second precipitate just begins to form? Enter your answers with 2 significant figures. [Pb2+ ] = ____________ mol/L [Cl- ] = ____________ mol/L [I- ] = ____________ mol/L
A balloon was filled to a volume 2.50 L when the temperature was 30.0 degrees C. What would the volume become if the temperature dropped to 11.0 degrees C
When 9 mL of a solution containing 2.5 M AlBr3 is diluted to 33 mL, a dilute solution is formed. What is the Br- concentration in 20 mL of the dilute solution.
Write a chemical equation for the reaction of an aqueous solution of sodium stearate with each of the following
The solubility of AgCl (s) in water at 25 C is 1.33 *10^-5 mol/L and its DeltaH of solution is 65.7 Kj/mol. What is the solubility at 68.3 C?
All numerical answers must be reported to the correct number of significant figures. In a routine laboratory analysis, a technician prepare a solution containing 0.126 g of KMnO4 in a 0.250 L volumetric flask. What is the molar concentration (mola..
Divers experience a problem known as the bends when they come up to the surface too fast. Write an essay linking this phenomenon with solubility.
If 0.130 g of p-aminophenol is allowed to react with excess acetic anhydride, what is the theoretical yield of acetaminophen in moles. In grams
Determine the mass of lithium hydroxide produced when 0.38 g of lithium nitride reacts with water to make Ammonia (NH3) and Lithium hydroxide.
Write equations to show how nitronium ions might be formed using a mixture of nitric and sulfuric acids
What mass of sucrose should be combined with 467 g of water to make a solution with an osmotic pressure of 8.30 atm at 300 K? (Assume the density of the solution to be equal to the density of the solvent.)
For the reaction: N2(g) + 2 O2(g) ?? 2 NO2(g), Kc = 8.3 × 10-10 at 25°C. What is the concentration of N2 gas at equilibrium when the concentration of NO2 is twice the concentration of O2 gas
the pH of a saturated solution of a metal hydroxide MOH is 9.68. calculate the Ksp for the compound
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